Silolothiophene-linked triphenylamines as stable hole transporting materials for high efficiency perovskite solar cells

被引：153

作者：

Abate, Antonio ^{[1
]}

Paek, Sanghyun ^{[2
,3
]}

Giordano, Fabrizio ^{[1
]}

Correa-Baena, Juan-Pablo ^{[4
]}

Saliba, Michael ^{[2
]}

Gao, Peng ^{[2
]}

Matsui, Taisuke ^{[5
]}

Ko, Jaejung ^{[3
]}

Zakeeruddin, Shaik M. ^{[1
]}

Dahmen, Klaus H. ^{[6
]}

Hagfeldt, Anders ^{[4
]}

Graetzel, Michael ^{[1
]}

Nazeeruddin, Mohammad Khaja ^{[2
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Chem Sci & Engn, Lab Photon & Interfaces, CH-1015 Lausanne, Switzerland

[2] Ecole Polytech Fed Lausanne, Grp Mol Engn Funct Mat, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland

[3] Korea Univ, Dept Adv Mat Chem, Sejong City 339700, South Korea

[4] Ecole Polytech Fed Lausanne, Lab Photomol Sci, Inst Chem Sci & Engn, CH-1015 Lausanne, Switzerland

[5] Panasonic Corp, Adv Res Div, Mat Res Lab, Kadoma, Osaka 5718501, Japan

[6] Ctr Qatar Fdn Educ, Qatar Environm & Energy Res Inst, Doha, Qatar

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2015年 / 8卷 / 10期

基金：

芬兰科学院;

关键词：

ORGANIC SEMICONDUCTORS; STATE; STABILITY; PERFORMANCE; HYSTERESIS; DOPANTS; TIO2;

D O I：

10.1039/c5ee02014j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, we synthesized novel hole transporting materials (HTMs) and studied their impact on the stability of perovskite-based solar cells (PSCs). The steady-state maximum power output of devices in working condition was monitored to assess the stability and predict the lifetime of PSCs prepared using different HTMs. We showed that the HTM has a significant impact on the device lifetime and found that novel silolothiophene linked methoxy triphenylamines (Si-OMeTPAs) enable more stable PSCs. We reported Si-OMeTPA based devices with a half-life of 6 K h, compared to 1 K h collected for the state-of-the-art PSCs using spirofluorene linked methoxy triphenylamines (spiro-OMeTADs) as HTMs. We demonstrated that such a clear improvement is correlated to the superior thermal stability of silolothiophene compared to the spirofluorene linked triphenylamine HTMs.

引用

页码：2946 / 2953

页数：8

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